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1020626445 = 3568041763
BaseRepresentation
bin111100110101011…
…000011000001101
32122010111012021110
4330311120120031
54042240021240
6245135322233
734202116206
oct7465303015
92563435243
101020626445
11484131833
12245980379
131335ac797
149979a5ad
155e907c80
hex3cd5860d

1020626445 has 8 divisors (see below), whose sum is σ = 1633002336. Its totient is φ = 544334096.

The previous prime is 1020626437. The next prime is 1020626447. The reversal of 1020626445 is 5446260201.

1020626445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1020626445 - 23 = 1020626437 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020626447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34020867 + ... + 34020896.

It is an arithmetic number, because the mean of its divisors is an integer number (204125292).

Almost surely, 21020626445 is an apocalyptic number.

1020626445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1020626445 is a deficient number, since it is larger than the sum of its proper divisors (612375891).

1020626445 is an equidigital number, since it uses as much as digits as its factorization.

1020626445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68041771.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 1020626445 is about 31947.2447168766. The cubic root of 1020626445 is about 1006.8287437797.

Adding to 1020626445 its reverse (5446260201), we get a palindrome (6466886646).

The spelling of 1020626445 in words is "one billion, twenty million, six hundred twenty-six thousand, four hundred forty-five".

Divisors: 1 3 5 15 68041763 204125289 340208815 1020626445